Ammann ASC 200 Series, Operating Manual

Page: 175 / 198

175 ASC200/ASC250
MAINTENANCE MANUAL
2
Every 2000 Hours or Every 2 Years Every 2000 Hours or Every 2 Years
•
After closing the drain cock, fill cooling system with
new cooling liquid with ratio of 50% of water + 50% of
anti-freeze agent.
•
Fill it up to the upper edge of the level indicator. After
filling, wait for approx. 2-3 minutes until air goes off
and the circuit is filled. The maximum filling rate is 19
l/min (5 US gal/min). Close the equaliser reservoir
with the pressure plug.
•
Start the engine and wait until the temperature rea-
ches 80 °C (175 °F). Check during your waiting for any
leakage of cooling liquid.
•
Stop the engine.
•
Check the level on the indicator (2). If the level is low,
refill cooling liquid to maximum.
Do not dismantle the pressure
plug before the temperature of
cooling liquid falls lower than
to 50 °C (122 °C). Beware of
gushing of the coolant and
scalding when opening the
pressure plug.
! NOTE !
Use cooling liquid according to chapter
3.2.3.!
Follow the instructions of the
manufacturer of anti-freeze flu-
id when changing coolant!
Protect your hands with gloves!
Use safety glasses or safety
shield!
Collect used liquid and have it safely
disposed according to valid regula-
tions!
NOTE:
When making the change, please flush the system with
mixture of water and soda (sodium carbonate) at the ratio
of 0,5 kg (1.1 lb) of soda per 23 l ( 6.0 gal) of water in line
with instructions of CUMMINS Engine Operating Manual
supplied. Refill the system with this mixture and heat up
to 80 °C (176°F) with the engine running – do NOT install
the expansion vessel cap. Turn OFF the engine and drain
the water. Refill with clean water and heat up again the
motor. Then drain the water. Repeat this till water is clean.